Basic config for AP1140series supporting 802.11N speeds

Unanswered Question
Dec 30th, 2009

Hi,

I am looking for some basic piece of config (which I can paste in via CLI) for an autonomous 1142AP (with two radios) which will support data rates up to the 150-300Mbps rates.

Sofar we see our client adaptors connect with a 54Mbps rate, but actual throughput not even exceeds the 22Mbps.

We wonder whether this has something to do with the config of the AP.

Anyone able to paste a working config for an autonomous 1140 series AP supporting clients to speeds like 150-300 Mbps (802.11n) ?

(vlans nor authentication not required at this stage).

Thanks,

Diederik

I have this problem too.
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dancampb Wed, 12/30/2009 - 08:04

With an autonomous AP WMM is enabled by default.  To get 'n' rates you just need to make sure your SSID is either setup to do WPA2/AES or is wide open (no encryption).  For example:

dot11 ssid test

authentication open

or

dot11 ssid test

authentication open

authentication key-management wpa version 2

wpa-psk ascii cisco

George Stefanick Wed, 12/30/2009 - 14:32

If you dont want to do WPA2 but arent comfortable with open... You could also do open with mac filtering, not real way of securing your wlan but better than open ... just an idea

ddiggelen Wed, 01/20/2010 - 02:17

Thanks gentlemen for your reply both.

Disabling WEP definetely did do something good to the performance. However I would still not rate it like ideal.

The driver software on the windows7 PC (with a Dell 1510 wireless card) upgraded itself to version 5.1.  Then the maximum speed the laptop wanted to connect with was 54Mbps.

We downgraded the driver back to version 4.176.75.21 (this is the driver called BCMWL6.sys)

Directly after that the laptop connected on a speed of 130Mbps.

The actual download speed (using ftp) and sitting 3 feet away from the AP is now about 51 Mbps continuously.

Much better than my previous cisco 802.11b, but still not optimal or the max we believe.

Thanks for your answers.

George Stefanick Fri, 01/22/2010 - 23:56

Are you channel bonding? Is your client configured to support 20mhz/40mhz channels width !?

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